Inventiva S.A.

Forward-Looking Statements

This press release contains “forward-looking statements” within the meaning of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical facts, included in this press release are forward-looking statements. These statements include, but are not limited to, preliminary unaudited financial results for Inventiva’s six months ended June 30, 2026, forecasts and estimates with respect to Inventiva’s cash resources and expenses, including expectations and assumptions in connection with Inventiva’s estimated cash runway and estimates with respect to Inventiva’s NATiV3 Phase 3 clinical trial with lanifibranor in patients with MASH, including design, duration, timing, costs, the information, insights and impacts that may be gathered from clinical trials, the potential therapeutic benefits of lanifibranor, potential regulatory submissions, approvals and commercialization, and Inventiva’s pipeline development plans, future activities, expectations, plans, growth and prospects. Certain of these statements, forecasts and estimates can be recognized by the use of words such as, without limitation, “believes”, “anticipates”, “expects”, “intends”, “plans”, “seeks”, “estimates”, “may”, “will”, “would”, “could”, “might”, “should”, “designed”, “hopefully”, “target”, “potential”, “possible”, “aim”, and “continue” and similar expressions. Such statements are not historical facts but rather are statements of future expectations and other forward-looking statements that are based on management’s beliefs. These statements reflect such views and assumptions prevailing as of the date of the statements and involve known and unknown risks and uncertainties that could cause future results, performance or future events to differ materially from those expressed or implied in such statements. Actual events are difficult to predict and may depend upon factors that are beyond Inventiva's control. There can be no guarantees with respect to product candidates that the clinical trial results will be available on their anticipated timeline, that future clinical trials will be initiated as anticipated, that product candidates will receive the necessary regulatory approvals, or that any of the anticipated milestones by Inventiva or its partners will be reached on their expected timeline, or at all. Future results may turn out to be materially different from the anticipated future results, performance or achievements expressed or implied by such statements, forecasts and estimates, due to a number of factors, including the completion of financial closing procedures, final adjustments and other developments that may arise that could cause the preliminary financial results for the first half of 2026 to differ from the financial results that will be reflected in Inventiva’s reviewed consolidated financial statements for the first half of 2026, that Inventiva is a clinical-stage company with no approved products and no historical product revenues, Inventiva has incurred significant losses since inception, Inventiva has never generated any revenue from product sales, Inventiva will require additional capital to finance its operations, in the absence of which, Inventiva may be required to significantly curtail, delay or discontinue one or more of its research or development programs or be unable to expand its operations or otherwise capitalize on its business opportunities and may be unable to continue as a going concern, Inventiva’s ability to obtain financing and to enter into potential transactions, Inventiva’s future success is dependent on the successful clinical development, regulatory approval and subsequent commercialization of lanifibranor, preclinical studies or earlier clinical trials are not necessarily predictive of future results and the results of Inventiva’s and its partners’ clinical trials may not support Inventiva’s and its partners’ product candidate claims, Inventiva’s expectations with respect to its clinical trials may prove to be wrong and regulatory authorities may require additional holds and/or amendments to Inventiva’s clinical trials, Inventiva’s expectations with respect to the clinical development plan for lanifibranor for the treatment of MASH may not be realized and may not support the approval of a New Drug Application, Inventiva’s ability to identify additional products or product candidates with significant commercial potential, Inventiva’s expectations with respect to its pipeline prioritization plan and related workforce reduction, including the timing, potential benefits, expenses and consequences relating thereto, Inventiva’s ability to execute on its commercialization, marketing and manufacturing capabilities and strategy, Inventiva’s ability to successfully cooperate with existing partners or enter into new partnerships, and to fulfill its obligations under any agreements entered into in connection with such partnerships, the benefits of its existing and future partnerships on the clinical development, regulatory approvals and, if approved, commercialization of its product candidates, and the achievement of milestones thereunder and the timing thereof, Inventiva and its partners may encounter substantial delays beyond expectations in their clinical trials or fail to demonstrate safety and efficacy to the satisfaction of applicable regulatory authorities, the ability of Inventiva and its partners to recruit and retain patients in clinical studies, enrollment and retention of patients in clinical trials is an expensive and time-consuming process and could be made more difficult or rendered impossible by multiple factors outside Inventiva’s and its partners’ control, Inventiva’s product candidates may cause adverse drug reactions or have other properties that could delay or prevent their regulatory approval, or limit their commercial potential, Inventiva faces substantial competition and Inventiva’s and its partners’ business, and preclinical studies and clinical development programs and timelines, its financial condition and results of operations could be materially and adversely affected by changes in law and regulations, unfavorable conditions in its industry, geopolitical events, such as the conflict between Russia and Ukraine and related sanctions, the conflict in the Middle East and the related risk of a larger conflict, health epidemics, and macroeconomic conditions, including developments in international trade policies, global inflation, financial and credit market fluctuations, tariffs and other trade barriers, political turmoil, and natural catastrophes, uncertain financial markets and disruptions in banking systems. Given these risks and uncertainties, no representations are made as to the accuracy or fairness of such forward-looking statements, forecasts and estimates. Furthermore, forward-looking statements, forecasts and estimates only speak as of the date of this press release. Readers are cautioned not to place undue reliance on any of these forward-looking statements.

Please refer to the Universal Registration Document for the year ended December 31, 2025 filed with theAutorité des Marchés Financiers on April 8, 2026, and the Annual Report on Form 20-F for the year ended December 31, 2025 filed with the SEC on April 8, 2026 for other risks and uncertainties affecting Inventiva, including those described under the caption "Risk Factors", and in future filings with the SEC. Other risks and uncertainties of which Inventiva is not currently aware may also affect its forward-looking statements and may cause actual results and the timing of events to differ materially from those anticipated. All information in this press release is as of the date of the release. Except as required by law, Inventiva has no intention and is under no obligation to update or review the forward-looking statements referred to above. Consequently, Inventiva accepts no liability for any consequences arising from the use of any of the above statements.

1 Preliminary, non-audited financial information

2 Short-term deposits were included in the category “other current assets” in the IFRS consolidated statement of financial position and were considered by the Company as liquid and easily available.

3 Cf press release of June 2, 2026

4 Capitalized terms used herein and not otherwise defined have the meanings given to them in the Company's press release dated June 2, 2026.

5 Cf press release of October 13, 2024

6 Cf press release of June 2, 2026 (In particular the description of the financial covenants pertaining to the Debt Financing)

7 These estimates are based on the Company’s current business plan and exclude any potential milestones payable to or by the Company and any additional expenditures related to the product candidate or resulting from any potential in licensing or acquisition of additional product candidates or technologies, or any associated product development the Company may pursue. The Company may have based these estimates on assumptions that are incorrect, the Company may amend its business plan in the future and the Company may have to use its resources sooner than anticipated. These estimates may be shortened in the event of an increase, in expenditure relating to the development programs beyond the Company's expectations, or if the development program progresses more quickly than expected. There can be no assurance whether, and to what extent, the Tranche 3 warrants will be exercised, if at all.